DD_DXAPI_GET_VP_FIELD_NUMBER control code
A video capture driver passes DD_DXAPI_GET_VP_FIELD_NUMBER in the dwFunctionNum parameter of the DxApi function to return the field number of the current hardware video port field.
Input Parameters
- lpvInBuffer
Pointer to a DDGETFIELDNUMIN structure that contains the required DirectDraw and VPE object handles.
Output Parameters
- lpvOutBuffer
Pointer to a DDGETFIELDNUMOUT structure that contains the field number.
Remarks
This function identifier can be used when using the VPE capture functions, because they also return the field number being captured.
This function identifier can be called at raised IRQL.
Requirements
Header |
Ddkmapi.h (include Ddkmapi.h) |
See also
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